From 0165d69bcb18c5aa220538389c872852243f9725 Mon Sep 17 00:00:00 2001 From: Rémi Denis-Courmont Date: Thu, 24 Feb 2011 23:15:00 +0000 Subject: Phonet: don't bother with transaction IDs (especially for indications) MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Signed-off-by: Rémi Denis-Courmont Signed-off-by: David S. Miller --- net/phonet/pep.c | 49 ++++++++++++++----------------------------------- 1 file changed, 14 insertions(+), 35 deletions(-) (limited to 'net') diff --git a/net/phonet/pep.c b/net/phonet/pep.c index 15775a74b6f6..0ecab59963e0 100644 --- a/net/phonet/pep.c +++ b/net/phonet/pep.c @@ -172,8 +172,7 @@ static int pipe_get_flow_info(struct sock *sk, struct sk_buff *skb, return 0; } -static int pipe_handler_send_req(struct sock *sk, u8 utid, - u8 msg_id, gfp_t priority) +static int pipe_handler_send_req(struct sock *sk, u8 msg_id, gfp_t priority) { int len; struct pnpipehdr *ph; @@ -212,7 +211,7 @@ static int pipe_handler_send_req(struct sock *sk, u8 utid, __skb_push(skb, sizeof(*ph)); skb_reset_transport_header(skb); ph = pnp_hdr(skb); - ph->utid = utid; + ph->utid = msg_id; /* whatever */ ph->message_id = msg_id; ph->pipe_handle = pn->pipe_handle; ph->error_code = PN_PIPE_NO_ERROR; @@ -220,8 +219,7 @@ static int pipe_handler_send_req(struct sock *sk, u8 utid, return pn_skb_send(sk, skb, NULL); } -static int pipe_handler_send_created_ind(struct sock *sk, - u8 utid, u8 msg_id) +static int pipe_handler_send_created_ind(struct sock *sk, u8 msg_id) { int err_code; struct pnpipehdr *ph; @@ -254,7 +252,7 @@ static int pipe_handler_send_created_ind(struct sock *sk, __skb_push(skb, sizeof(*ph)); skb_reset_transport_header(skb); ph = pnp_hdr(skb); - ph->utid = utid; + ph->utid = 0; ph->message_id = msg_id; ph->pipe_handle = pn->pipe_handle; ph->error_code = err_code; @@ -262,7 +260,7 @@ static int pipe_handler_send_created_ind(struct sock *sk, return pn_skb_send(sk, skb, NULL); } -static int pipe_handler_send_ind(struct sock *sk, u8 utid, u8 msg_id) +static int pipe_handler_send_ind(struct sock *sk, u8 msg_id) { int err_code; struct pnpipehdr *ph; @@ -287,7 +285,7 @@ static int pipe_handler_send_ind(struct sock *sk, u8 utid, u8 msg_id) __skb_push(skb, sizeof(*ph)); skb_reset_transport_header(skb); ph = pnp_hdr(skb); - ph->utid = utid; + ph->utid = 0; ph->message_id = msg_id; ph->pipe_handle = pn->pipe_handle; ph->error_code = err_code; @@ -297,16 +295,9 @@ static int pipe_handler_send_ind(struct sock *sk, u8 utid, u8 msg_id) static int pipe_handler_enable_pipe(struct sock *sk, int enable) { - int utid, req; - - if (enable) { - utid = PNS_PIPE_ENABLE_UTID; - req = PNS_PEP_ENABLE_REQ; - } else { - utid = PNS_PIPE_DISABLE_UTID; - req = PNS_PEP_DISABLE_REQ; - } - return pipe_handler_send_req(sk, utid, req, GFP_ATOMIC); + u8 id = enable ? PNS_PEP_ENABLE_REQ : PNS_PEP_DISABLE_REQ; + + return pipe_handler_send_req(sk, id, GFP_KERNEL); } #endif @@ -538,8 +529,7 @@ static int pipe_do_rcv(struct sock *sk, struct sk_buff *skb) #ifdef CONFIG_PHONET_PIPECTRLR case PNS_PEP_ENABLE_RESP: - pipe_handler_send_ind(sk, PNS_PIPE_ENABLED_IND_UTID, - PNS_PIPE_ENABLED_IND); + pipe_handler_send_ind(sk, PNS_PIPE_ENABLED_IND); if (!pn_flow_safe(pn->tx_fc)) { atomic_set(&pn->tx_credits, 1); @@ -573,8 +563,7 @@ static int pipe_do_rcv(struct sock *sk, struct sk_buff *skb) #ifdef CONFIG_PHONET_PIPECTRLR case PNS_PEP_DISABLE_RESP: atomic_set(&pn->tx_credits, 0); - pipe_handler_send_ind(sk, PNS_PIPE_DISABLED_IND_UTID, - PNS_PIPE_DISABLED_IND); + pipe_handler_send_ind(sk, PNS_PIPE_DISABLED_IND); sk->sk_state = TCP_SYN_RECV; pn->rx_credits = 0; break; @@ -678,7 +667,6 @@ static int pep_connresp_rcv(struct sock *sk, struct sk_buff *skb) u8 host_pref_rx_fc[3] = {3, 2, 1}, host_req_tx_fc[3] = {3, 2, 1}; u8 remote_pref_rx_fc[3], remote_req_tx_fc[3]; u8 negotiated_rx_fc, negotiated_tx_fc; - int ret; pipe_get_flow_info(sk, skb, remote_pref_rx_fc, remote_req_tx_fc); @@ -697,12 +685,7 @@ static int pep_connresp_rcv(struct sock *sk, struct sk_buff *skb) pn->tx_fc = negotiated_tx_fc; sk->sk_state_change(sk); - ret = pipe_handler_send_created_ind(sk, - PNS_PIPE_CREATED_IND_UTID, - PNS_PIPE_CREATED_IND - ); - - return ret; + return pipe_handler_send_created_ind(sk, PNS_PIPE_CREATED_IND); } #endif @@ -943,9 +926,7 @@ static void pep_sock_close(struct sock *sk, long timeout) pipe_do_remove(sk); #else /* send pep disconnect request */ - pipe_handler_send_req(sk, - PNS_PEP_DISCONNECT_UTID, PNS_PEP_DISCONNECT_REQ, - GFP_KERNEL); + pipe_handler_send_req(sk, PNS_PEP_DISCONNECT_REQ, GFP_KERNEL); sk->sk_state = TCP_CLOSE; #endif } @@ -1034,9 +1015,7 @@ static int pep_sock_connect(struct sock *sk, struct sockaddr *addr, int len) pn->pn_sk.dobject = pn_sockaddr_get_object(spn); pn->pn_sk.resource = pn_sockaddr_get_resource(spn); - return pipe_handler_send_req(sk, - PNS_PEP_CONNECT_UTID, PNS_PEP_CONNECT_REQ, - GFP_ATOMIC); + return pipe_handler_send_req(sk, PNS_PEP_CONNECT_REQ, GFP_KERNEL); } #endif -- cgit v1.2.3